RRB Group D 15-Sep-2018 Shift 1 Solved Paper

Question : 43 of 100

Marks: +1, -0

Three identical resistors, each of 6 Q, are connected in parallel. The equivalent resistance of the combination will be_______.

Solution:

Resistance of three identical resistor

=6 {ohm}

Equivalent resistance in parallel

\;\; =1 \/ {R} 1+1 \/ {R} 2+1 \/ {R} 3

1 \/ {R} \;\; =1 \/ 6+1 \/ 6+1 \/ 6

1 \/ {R} \;\; =1 \/ 2

{R} \;\; =2 {ohm}

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